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CE 303: Introduction to Construction

CE 303: Introduction to Construction. Blueprint Lab. Construction Drawings. Blueprints Lines, Symbols, and Views. Objectives. Types of lines and symbols Various types of views used in drawings Topography/contour maps Profiles Cross Sections Plot Plans. Legends.

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CE 303: Introduction to Construction

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  1. CE 303: Introduction to Construction Blueprint Lab

  2. Construction Drawings Blueprints Lines, Symbols, and Views

  3. Objectives • Types of lines and symbols • Various types of views used in drawings • Topography/contour maps • Profiles • Cross Sections • Plot Plans

  4. Legends • List of symbols used to identify features in the drawing. • Every symbol and line type used in the drawing will have a corresponding entry in the legend.

  5. General Line Types(Alphabet of Lines) • Property Lines • Border Lines • Object Lines • Hidden Lines • Center Lines • Dimension and Extension Lines • Break Lines • Cutting Plane Lines or Section Lines

  6. Alphabet of Lines property line border line object line hidden line center line

  7. Alphabet of Lines Dimension Line dimension & extension lines 23’-6” Extension Line

  8. Alphabet of Lines break lines long short

  9. Alphabet of Lines section identification sheet number location of section G S12 cutting-plane lines direction section is facing F A5 B B

  10. Blueprint View Types • Plan Views • Orthographic/Perspective • Detail Views • Contour/Topographic Views • Cross-sections • Profiles • Plot Plans

  11. Typical Architectural Plan View

  12. Orthographic Views/Drawings • all construction drawings use orthographic drawings • projected at right angles • more detail can be shown • start with the front view • drawn to true size or scale

  13. Perspective View/Drawings • most realistic • receding lines meet at vanishing points • one - point • two - point

  14. Perspective Drawings Figure 6 - 15 Figure 6 - 11 two - point one - point Figure 6 - 12 Figure 6 - 16

  15. Detail Views • Certain features can not always be clearly shown on construction drawings. • Require a large scale illustration to show all of the details. • May be placed on the same sheets as the plan or elevation views or on separate sheets.

  16. Detail Views

  17. Topography & Contours • Contour Lines identify the ground elevation. • All points along a single contour line have the same elevation. • The interval between contours can represent any convenient distance. (i.e. 1’, 2’, 5’, etc…) • Topography is the location and elevation of features, consisting of both natural and man-made objects.

  18. Cross Sections • Cross sections show the “inside” of a structure, or the elevations of the earth and structures along a station. • Used heavily in earthworks and highway construction. • Provided for features whose construction is not shown clearly on plan or elevation drawings.

  19. Example of Cross Section

  20. Profiles • Profiles are vertical sections through a topographic map that shows the earth’s surface at any location along an alignment. • Profiles often have a vertical exaggeration in order to show more detail of the surface.

  21. Plot Plans(Site Plans) • View from above the property that illustrates location of building on the lot. • Lot and block number or address • Bearing and length of property lines • North arrow • Dimensions of front, rear and side yards. • Location of other accessory buildings • Location of walks, drives, fences, etc… • Location of Utilities, and easement setbacks • Elevations at various locations • Etc…

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